Home / 7,312.12-10,972.36-3,095.04

Finding the Fourth Proportional to 7,312.12, 10,972.36 and 3,095.04

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Solution

The fourth proportional to 7,312.12, 10,972.36 and 3,095.04 is: 4,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.12 : 10,972.36 = 3,095.04 : x
  2. Step 2: Convert to fraction form
    7,312.12/10,972.36 = 3,095.04/x
  3. Step 3: Cross multiply
    7,312.12x = 10,972.36 × 3,095.04
  4. Step 4: Simplify right side
    7,312.12x = 33,959,893.09
  5. Step 5: Solve for x
    x = 33,959,893.09/7,312.12
  6. Step 6: Final answer
    x = 4,644.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.